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研究了激光表面快速熔凝Fe－Sb合金的显微组织和硬度，并基于热流模型计算了治区的几何尺寸和冷速。
The microstructure and hardness of the rapidly melting Fe-Sb alloy on the laser surface were studied. The geometrical size and cooling rate of the zone were calculated based on the heat flow model.